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  #1  
Old 09-20-2008, 01:12 PM
prkaye prkaye is offline
 
Join Date: Jun 2006
Location: Ottawa, Ontario, Canada
Posts: 2,116
Default engine mount asymmetrical?

Is it just me, or is the engine mount not quite symmetrical when looking at it end-on? It seems to be slightly asymmetrical on the drawings (plans) as well... strange.
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RV9A (SB)
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  #2  
Old 09-20-2008, 01:17 PM
az_gila's Avatar
az_gila az_gila is offline
 
Join Date: Jan 2005
Location: 57AZ - NW Tucson area
Posts: 10,011
Smile It's a little...

Quote:
Originally Posted by prkaye View Post
Is it just me, or is the engine mount not quite symmetrical when looking at it end-on? It seems to be slightly asymmetrical on the drawings (plans) as well... strange.
... bit of built-in offset to keep the torque from your mighty Lycoming under control...
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Gil Alexander
EAA Technical Counselor, Airframe Mechanic
Half completed RV-10 QB purchased
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  #3  
Old 09-20-2008, 01:21 PM
prkaye prkaye is offline
 
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Location: Ottawa, Ontario, Canada
Posts: 2,116
Default

ahhh... of course!
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  #4  
Old 09-20-2008, 01:59 PM
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Mel Mel is offline
 
Join Date: Mar 2005
Location: Dallas area
Posts: 10,762
Default

Should be about 3* right and 1* down if I remember correctly. The rear of the engine will be off to the port side so the center of the prop will be centerline of the airplane.
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Mel Asberry, DAR since the last century.
EAA Flight Advisor/Tech Counselor, Friend of the RV-1
Recipient of Tony Bingelis Award and Wright Brothers Master Pilot Award
USAF Vet, High School E-LSA Project Mentor.
RV-6 Flying since 1993 (sold)
<rvmel(at)icloud.com>
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  #5  
Old 09-20-2008, 06:30 PM
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Shockwave Shockwave is offline
 
Join Date: Mar 2007
Location: Ankeny, Iowa
Posts: 194
Default

Yep, its the wierdest thing to look at once you notice it. Also means you can't use the centerline of the engine as the centerline of the plane when doing cowl and baffle work.
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Chanler Childs
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  #6  
Old 09-20-2008, 09:09 PM
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zilik zilik is offline
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Join Date: Jan 2005
Location: Pine Junction, CO
Posts: 655
Default Proud day

I remember the day I hung the engine on my 6A. My buddies had left and I was sucking down a beer with a smile on my face and then I noticed the engine was crooked Keyrap, how did I muff this up? My beer soaked brain finally kicked in and I figured it out.
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